DE102005050639A1 - Device for locking a door of a housing - Google Patents

Abstract

The invention relates to a device for locking a door (10) of a housing with a housing body (12) to which the door (10) is hinged. A clamping part (14) can be introduced into the area (16) between the housing body (12) and the door (10). The clamping part (14) is arranged on the inside of the door (10) so as to be rotatable about an axis of rotation (18) which extends perpendicular to the door (10) and is eccentrically mounted on the clamping part (14). The clamping part can be rotated into a locking position in which the clamping part (14) protrudes beyond the door (10) when the door (10) is open and can be brought into contact with the housing body (12).

Description

The The invention relates to a device for locking a door of a housing, in particular a control cabinet, with a housing body, hinged to the door is, with a clamping part in the area between the housing body and the door can be brought in is.

such Devices for locking a door are known from the general Known in the art. For example, a cabinet door in open To hold or prevent the cabinet door, for example one closes oneself unintentionally by a breeze like a wedge or other suitable object. This will be in through the door hinge defined gap between the door and the cabinet body inserted. Thus, the object between door and cabinet body clamped and effectively prevents that the door is closed. Alternatively, you can also get a heavy item so to the open Put the door, that a closing is prevented.

These solution However, there is the disadvantage that you have to lock the door a additional Item needed under certain circumstances can get lost. In addition, these items are just quite cumbersome too Handling and their use often entails risk of injury.

Farther is known from the prior art, a locking device, the tight between the door and the cabinet body is attached. This locking device consists essentially of an elongated metal part, the at the upper part of the door above Swivel is articulated. On the cabinet body, however, is a guide for the metal part intended. The metal part has a slot in which a guide pin guided is. By opening the door the metal part is pulled out in the direction of the opening door, wherein the guided in the slot Pen leads the movement of the metal part. Once the door in her Open position is brought, the pin snaps into a groove in the slot, leaving the door in open Position is held. The elongated metal part thus forms a support the door across from the cabinet body.

These However, known locking device is relatively complicated constructed and is especially when closing the door not easy to handle. In addition, the known locking device in particular heavy Shutter doors right building big accomplished to achieve the necessary stability. This in turn leads to an increased Space requirement on the upper inside of the door or in the adjacent cabinet carcass area. at the mounting of this locking device must be drilled a plurality of mounting holes be realized, which is quite expensive especially for metal doors is and drives the production costs in the air.

It is therefore an object of the invention, a device for locking a door to specify a case which is very simple and easy to handle. moreover should the locking device of the invention only require a small footprint.

These The object of the invention is achieved by a device according to the features of claim 1. Advantageous developments are each described in the subclaims.

Accordingly, that is Clamping part on the inside of the door around a perpendicular to Door extending, rotatably mounted on the clamping part eccentrically mounted axis of rotation. Leave it to rotate the clamping member in a locked position in which the Clamping part when opened Door over this stands out and on the housing body can be brought to the plant. Due to the eccentrically arranged axis of rotation can be achieved with appropriate shaping of the clamping part, that at least in the locking position, a part of the clamping part protrudes beyond the door. This supernumerary Part of the clamping part can thereby by a simple rotational movement in through the hinge between the door and the housing body be defined area, thereby closing the Door effective is prevented. The clamping part is thus between the door and the housing body trapped and holds thus the door open.

In addition, can the clamping part are turned into a neutral position. In this Neutral position, the clamping part is not beyond the door and can be closed Door inside of the housing body be recorded. The space required depends on the size of the clamping part relatively low, especially since no protruding attachments are necessary.

According to one preferred embodiment the locking position opposite pivoted the neutral position by 180 °. However, you can the two positions also at a different angle against each other be swung. It is only necessary to ensure that in the locked position the desired clamping effect between the door and the housing body is given and to close the door in neutral position.

In Advantageous development, the clamping part with a holding device be connected, which the clamping part on the one hand in the locked position and on the other hand in the neutral position holds. The holding device provides sure that the two positions are defined and taken can be.

A preferred embodiment has one at the door attached guide bar on, which engages in a recess formed on the clamping part recess. Such a holding device is very simple and has about that In addition, a sufficient reliability.

In Particularly advantageously, the axis of rotation by a pin be defined, which is fixed at its one end to the guide bar. The pin extends through a perpendicular to the recess attached and arranged eccentrically to the symmetry axis of the clamping part first through hole in the clamping part. This is possible easily form the pivot bearing for the clamping part.

According to one preferred embodiment the pin at the free end, the end fixed to the guide bar opposite, having a head, wherein between the head and the clamping part a compression spring is effective, which the guide bar in the recess clamps. The compression spring can in a particularly preferred embodiment be formed by a coil spring into which the pin is inserted.

In order to the compression spring can be securely supported on the clamping part, can at the compression spring facing side of the clamping member in the through hole a paragraph be formed, on which the coil spring is supported.

One a particularly simple construction is achieved in that the pin is designed as a screw, which in a guide web arranged on the threaded part intervenes. The screw has the necessary for the support of the coil spring Open your head and let it go easy to attach to the guide bar.

According to one especially for the use in a control cabinet preferred embodiment can the guide bar through a door-hole strip be formed. Such door hole strips are in control cabinet doors for the Assembly of additional Components provided.

In order to the clamping part on doors with right and left stop and at the top and bottom a door can be used, can be provided in an advantageous manner be that eccentric in the clamping part to the symmetry axis of the clamping part arranged second through hole is mounted, which is parallel extends to the first through hole and perpendicular to the recess. By The second through hole will make the manufacturing cost different oriented clamping parts reduced.

In particularly advantageous embodiment can between the clamping part and the housing body a locking means is effective, which holds the door in the open position. The Locking means may be at its the housing body facing portion For example, as a depression or projection or equivalent Fixing be formed, which in the support position to the door the relevant area of the housing body automatically a Fixation causes, so the door in the swivel position against an automatic free pivoting after Outside is secured. It can be between the clamping part and the housing body be formed a snap holder, which is an automatic fixation and securing the door causes.

According to one particularly simple embodiment the clamping part can have a contact region, on which the Clamping part with the door open on the housing body comes to the plant. This is a particularly secure fixation of Door in open Position achieved in a simple manner that the investment area of the clamping part a grave-shaped Has recess in which in the open door on the housing body protruding support part hineinerstreckt and supported against the clamping part. In this case, the support member, the frame part of the housing body form, on which at least one door hinge is attached.

The Clamping part can be modified to work in conjunction with different types of hinges can be used. It can also be different Clamping parts for be provided different hinges. That's why you can the contact area of the clamping part or the locking means to the respective used door hinge to adjust.

According to one alternative embodiment may the abutment region of the clamping part has a stepped extension, to which is open at Door on the housing body protruding support part supported. This will ensure that even a heavy door is reliable and secure is kept stable in open position.

following The invention will be described with reference to preferred embodiments with reference to the attached Drawings closer explained.

It demonstrate:

1 a schematic partial view of an embodiment of the device for locking a door of a cabinet, wherein the clamping member is shown in the locked position;

2 in a schematic partial view of the device according to 1 wherein the clamping member is shown in neutral position;

3 in a schematic view and in section along the section line III-III of in 2 shown device for locking a door of a cabinet,

4 in a schematic perspective partial view and in exploded view of a locking device, the embodiment according to the 1 to 3 is similar, wherein a state is shown, in which the clamping part is inserted in the locking position,

5 in a schematic perspective partial view and in exploded view the in 4 shown embodiment of the locking device, wherein a state is shown, in which the clamping part is inserted in the neutral position and can be brought into the pivoted-locking position,

6 in a schematic perspective partial view of a further embodiment of the locking device, wherein a state is shown in which a clamping member is inserted in the locking position and on the clamping part a protruding on the housing body support member can engage in a trench-shaped recess in the clamping part,

7 in a schematic, partial perspective view and in exploded view the in 6 shown embodiment of the locking device, wherein a state is shown, in which the clamping part is inserted in the neutral position and can be brought into the pivoted-locking position,

8th in a schematic perspective partial view and in exploded view yet another embodiment of the locking device, wherein a state is shown, in which a clamping part, which has a stepped extension, is inserted in the locking position, and

9 in a schematic perspective partial view and in exploded view the in 8th shown embodiment of the locking device, wherein a state is shown, in which the clamping part is inserted in the neutral position and can be brought into the pivoted-locking position,

The 1 and 2 show a schematic view of an embodiment of the device for locking a door 10 a control cabinet. The control cabinet has a cabinet body 12 which is only partially shown. On the cabinet body 12 is the door 10 , which is also shown only partially, on pivot hinges 6 and 8th hinged and shown in the open position. At the bottom of the cabinet side edge of the door 10 is in the area 16 between the housing body 12 and the door 10 a clamping part 14 arranged.

The clamping part 14 is in the 1 shown in locked position. Here is the clamping part 14 with the door open 10 beyond this and reaches into the area 16 between the cabinet body 12 and the door 10 into it. The clamping part comes on the housing body 12 to the plant. In the locked position prevents the clamping part 14 thus closing the door.

The clamping part 14 is on the inside of the door 10 attached, and settles around a perpendicular to the door 10 extending, opposite the plane of symmetry 28 of the clamping part 14 eccentrically arranged axis of rotation 18 Turn clockwise in the direction of arrow A. If the clamping member is further rotated in the direction of arrow A, it enters the in 2 shown neutral position, which allows the door to close. Here is the clamping part 14 not over the door 10 out and can with the door closed 10 within the housing body 12 be recorded. When the clamping member is pivoted back in the direction of arrow B counterclockwise, it returns to the in 1 shown locking position. The locking position is pivoted relative to the neutral position by 180 °.

3 shows a schematic sectional view of the locking device according to the section line III-III in 2 , The clamping part 14 is connected to a holding device, which the clamping part 14 holds on the one hand in the locked position and the other in the neutral position. The holding device has one on the door 10 attached guide bar 20 on, in a recess 22 engages the door 10 facing underside of the clamping part 14 is formed. The guide bar 20 is formed in the illustrated embodiment by a door-hole bar, as is common in the assembly of a cabinet door. The door track is as elongated, with equally spaced through holes 21 issuing, formed approximately U- or C-shaped hollow profile and attached to the inside of the door. Inside the hollow profile is a threaded piece 40 attached, in which the end 26 a screw 24 through the hole 21 screwed through and thus fixed to the door hole strip is.

In the clamping part 14 is a perpendicular to the recess 22 attached to the in the 1 and 2 shown symmetry axis 28 of the clamping part 14 eccentrically arranged first through hole 30 intended. Through the through hole 30 the screw extends 24 , The through hole 30 forms together with the screw 24 the pivot bearing for the clamping part 14 and defines the axis of rotation 18 ,

The screw 24 points to the free end 32 that at the guide bar 20 or on the door hole set end 26 opposite, a head 34 on. Between the head 34 and a paragraph 38 in the through hole 30 supports a coil spring 36 from which the guide bar 20 in the recess 22 clamps. The screw 24 is in the spiral spring 36 introduced.

The clamping part 14 can be adjusted manually against the spring force of the spiral spring 36 in the direction of the arrow R. This is the recess 22 out of engagement with the guide bar 20 or with the door-hole strip. Consequently, the clamping part can be 14 in the state (not shown) lifted off in the direction of arrow R about the axis of rotation 18 turn around in the direction of arrow B. In this way, the clamping piece of the in the 3 and 2 shown neutral position in the in the 1 shown locking position are transferred, and vice versa.

As the 1 and 2 show is in the clamp part 14 one to the axis of symmetry 28 of the clamping part 14 eccentrically arranged second through hole 42 attached in parallel to the first through hole 30 and perpendicular to the recess 22 extends. The second through hole 42 fulfills the same task as the first through hole 30 , The two through holes 30 and 42 serve to make the clamping part 14 For doors with right and left stop and at the top and bottom of a door can be used equally.

4 shows in a schematic perspective partial view and in exploded view of a similar embodiment of the locking device, wherein a state is shown, in which the clamping part 14 is used in the locked position. The clamping part 14 can be so on the guide bar 56 attach that he is in the recess 22 intervenes. The guide bar 56 is formed in the illustrated embodiment by an elongated, approximately Z-shaped hollow profile. The Z-shaped hollow profile consists of two mutually parallel longitudinal profiles 58 and 60 passing through a vertical ridge perpendicular to it 62 connected and worn. The longitudinal profile part 58 is attached directly to the inside of the door. The parallel longitudinal profile part 60 is from the inside of the door through the longitudinal bar 62 spaced and with through holes 54 Mistake. At the inside of the door facing side of the longitudinal profile part 56 can be a threaded piece 40 bring that in at the guide bar 56 can be attached. This will be a screw 64 through one of the through holes 54 introduced and in a corresponding threaded hole 66 in the threaded piece 40 screwed.

In the clamping part 14 are two perpendicular to the recess 22 attached through holes 30 and 42 intended. In the in the 4 shown orientation of the clamping part is in the through hole 30 the screw 24 introduces. The screw 24 has the head at one end 34 on. Between the head 34 and one (in 4 not shown) paragraph within the through hole 30 supports a coil spring 36 from which the guide bar 56 in the recess 22 clamps. The screw 24 is in the spiral spring 36 introduced.

5 shows in a schematic perspective partial view and in Explosionsdar position in 4 shown embodiment of the locking device, wherein the clamping part 14 is used in neutral position. This condition is in the 5 shown with solid lines and has already been based on the 4 explained.

With dotted or thin lines is in the 5 to the left of the neutral position furthermore shown that the clamping part 14 around the pivot axis 18 passing through the screw 24 is defined, can be pivoted in the locked position, similar to that already with reference to the 1 and 2 has been described. The arrow C indicates the pivoting direction from the locking to the neutral position.

The clamping part 14 has an investment area on one side 44 on, on which the clamping part 14 with the door open 10 on the housing body 12 is brought to the plant. The investment area is flat and serves to support the door 10 opposite the housing body 12 ,

6 shows a schematic perspective partial view of another embodiment of the locking device, wherein the clamping part 14 is inserted in the locked position. The housing body 12 facing investment area 44 of the clamping part 14 has a parallel to the guide bar 56 expanding, grave-shaped recess 46 on. In this one can on the housing body 12 protruding, parallel to the recess 46 ersteckendes support 48 then reach in and against that clamping part 14 brace when the door 10 is moved in the closed position according to arrow D.

The support part 48 acts together with the trench-shaped recess 46 as a locking means securing the door. It comes with a movement of the door in the direction of arrow D to a snapping of the support member 48 into the recess 46 , whereby the door is held independently in the open position.

The support part 48 forms the frame part of the housing body 12 on which also the door hinges are attached, of which in the 6 only the door hinge with the reference numeral 8th is shown. The clamping part 14 is at the door hinge 8th customized. The size and shape of the clamping part 14 or the investment area 44 Among other things, this is due to the opening angle of the hinge 8th and by the distance between the housing body 12 and the door 10 certainly.

7 shows in a schematic perspective partial view and in exploded view the in 6 shown embodiment of the locking device, wherein the clamping member is used in neutral position. This condition is in the 7 shown with solid lines and has already been based on the 6 explained.

With dotted or thin lines is in the 7 to the left of the neutral position furthermore shown that the clamping part 14 can be pivoted in the locked position, similar to that already with reference to the 5 has been described. The arrow C indicates the pivoting direction from the locking to the neutral position.

8th shows in a schematic perspective partial view and in exploded view yet another embodiment of the locking device, wherein the state is shown in which the clamping member is inserted in the locking position. The investment area 44 of the clamping part 14 has a stepped extension 50 on. On the housing body 12 is a support part 52 in front. At the stepped extension 50 of the clamping part rests with the door open 10 the support part 52 from.

The support part 52 forms the frame part of the housing body 12 on which also the door hinges are attached, of which in the 8th only the door hinge with the reference numeral 8th is shown. The embodiment of the stepped extension 50 and the support part 52 is at the door hinge 8th customized. The size and the shape is among other things by the opening angle of the hinge 8th and by the distance between the housing body 12 and the door 10 certainly.

9 shows in a schematic perspective partial view and in exploded view the in 8th shown embodiment of the locking device, wherein the state is shown in which the clamping member is inserted in neutral position. This condition is in the 9 shown with solid lines and has already been based on the 8th explained.

With dotted or thin lines is in the 9 to the left of the neutral position furthermore shown that the clamping part 14 can be pivoted in the locked position, similar to that already with reference to the 5 and 7 has been described. The arrow C indicates the pivoting direction from the locking to the neutral position.

Claims (20)

Device for locking a door ( 10 ) of a housing with a housing body ( 12 ) on which the door ( 10 ) is hinged, wherein a clamping part ( 14 ) in the area ( 16 ) between the housing body ( 12 ) and the door ( 10 ) can be introduced, characterized in that the clamping part ( 14 ) on the inside of the door ( 10 ) around a perpendicular to the door ( 10 ) extending, on the clamping part ( 14 ) eccentrically mounted rotary axis ( 18 ) is rotatably arranged, wherein the clamping part is rotatable in a locking position, in which the clamping part ( 14 ) with the door open ( 10 ) protrudes beyond this and on the housing body ( 12 ) Can be brought to the plant. Device according to claim 1, characterized in that the clamping part ( 14 ) is rotatable in a neutral position, in which the clamping part ( 14 ) not over the door ( 10 ) and when the door is closed ( 10 ) within the housing body ( 12 ) is receivable. Device according to Claim 1 or 2, characterized that the locking position against the Neutral position is pivoted by 180 °. Device according to one of claims 1 to 3, characterized in that the clamping part ( 14 ) with a holding device ( 20 . 22 ) is connected, which the clamping part ( 14 ) holds on the one hand in the locked position and the other in the neutral position. Apparatus according to claim 4, characterized in that the holding device on the door ( 10 ) mounted guide bar ( 20 . 56 ), which in one on the clamping part ( 14 ) shaped recess ( 22 ) intervenes. Device according to claim 5, characterized in that the axis of rotation ( 18 ) through a pen ( 24 ) defined at its one end ( 26 ) at the guide bar ( 20 . 56 ) and that in the Clamping part ( 14 ) one perpendicular to the recess ( 22 ), to the symmetry axis ( 28 ) of the clamping part eccentrically arranged first through hole ( 30 ) is provided, through which the pin ( 24 ) extends through and which the pivot bearing for the clamping part ( 14 ). Device according to claim 6, characterized in that the pin ( 24 ) at the free end ( 32 ), which at the guide bar ( 20 . 56 ) end ( 26 ), a head ( 34 ), and that between the head ( 34 ) and the clamping part ( 14 ) a compression spring ( 36 ) is effective, which the guide bar ( 20 . 56 ) in the recess ( 22 ). Apparatus according to claim 7, characterized in that the compression spring ( 36 ) is formed by a spiral spring into which the pin ( 24 ) is introduced. Apparatus according to claim 8, characterized in that on the compression spring ( 36 ) facing side of the clamping part ( 14 ) in the through hole ( 30 ) a paragraph ( 38 ) is formed, at which the spiral spring ( 36 ) is supported. Device according to one of claims 6 to 9, characterized in that the pin ( 24 ) is formed by a screw, which in a on the guide bar ( 20 . 56 ) threaded part ( 40 ) intervenes. Device according to one of claims 5 to 10, characterized in that the guide web ( 20 . 56 ) is formed by a door-hole strip. Device according to one of claims 6 to 11, characterized in that in the clamping part one to the axis of symmetry ( 28 ) of the clamping part ( 14 ) eccentrically arranged second through-bore ( 42 ) which is parallel to the first through-hole ( 30 ) and perpendicular to the recess ( 22 ). Device according to one of claims 1 to 12, characterized in that between the clamping part ( 14 ) and the housing body ( 12 ) a locking means is effective, which holds the door in the open position. Device according to one of claims 1 to 13, characterized in that the clamping part ( 14 ) an investment area ( 44 ), on which the clamping part ( 14 ) with the door open ( 10 ) on the housing body ( 12 ) Can be brought to the plant. Apparatus according to claim 13 and 14, characterized in that the locking means at the investment area ( 44 ) of the clamping part ( 14 ) is trained. Device according to one of claims 13 to 15, characterized in that the investment area ( 44 ) of the clamping part ( 14 ) a trench-shaped recess ( 46 ), in which, when the door is open ( 10 ) on the housing body ( 12 ) projecting support part ( 48 ) and against the clamping part ( 14 ) is supported. Device according to one of claims 13 to 16, characterized in that between the clamping part ( 14 ) and the housing body ( 12 ) A snap holder is formed. Apparatus according to claim 16 or 17, characterized in that the supporting part ( 48 ) forms the frame part of the housing, on which at least one door hinge ( 8th ) is attached. Device according to one of claims 13 to 18, characterized in that the locking means or the contact area ( 44 ) of the clamping part ( 14 ) to the door hinge ( 8th ) is adjusted. Device according to one of claims 14 to 19, characterized in that the contact area ( 44 ) of the clamping part ( 14 ) a stepped extension ( 50 ), at which, when the door is open ( 10 ) on the housing body ( 12 ) projecting support part ( 52 ) is supported.